"The planned 2.6 percent increase over five years, announced on Tuesday, reverses a decade of decline and marks the clearest sign since Prime Minister Shinzo Abe took office a year ago that he wants a bigger military role for Japan as tension flares with China over islands they both claim."

"The five-year budget earmarks more than $230 billion for fighter jets, combat and amphibious vehicles, as well as surveillance drones and early warning aircraft.

"The national security strategy is Japan's first since it formed a U.S.-style National Security Council to streamline defense policy.

"It centers on Japan's southwest where Beijing is increasingly aggressive in a dispute over ownership of the Japan-administered Senkaku islands, known as Diaoyu in China."

The BBC quotes from a Japanese national security document that it says has informed the increased military spending. It reads:

"China's stance toward other countries and military moves, coupled with a lack of transparency regarding its military and national security policies, represent a concern to Japan and the wider international community and require close watch."

Meanwhile, Foreign Policy on Monday takes a look at the rapidly expanding Chinese navy, which in addition to a new high-profile aircraft carrier has seen a steady influx of new patrol ships, destroyers and amphibious ships.